| /******************************************************************************* |
| * Copyright (c) 2009, 2011 Oracle. All rights reserved. |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v1.0, which accompanies this distribution |
| * and is available at http://www.eclipse.org/legal/epl-v10.html. |
| * |
| * Contributors: |
| * Oracle - initial API and implementation |
| ******************************************************************************/ |
| package org.eclipse.jpt.jpa.db.internal.driver; |
| |
| import java.util.HashMap; |
| import org.eclipse.jpt.jpa.db.Database; |
| |
| public class DTPDriverAdapterManager { |
| private final HashMap<String, DTPDriverAdapterFactory> adapterFactories; |
| |
| // singleton |
| private static final DTPDriverAdapterManager INSTANCE = new DTPDriverAdapterManager(); |
| |
| /** |
| * Return the singleton. |
| */ |
| public static DTPDriverAdapterManager instance() { |
| return INSTANCE; |
| } |
| |
| /** |
| * Ensure single instance. |
| */ |
| private DTPDriverAdapterManager() { |
| super(); |
| this.adapterFactories = this.buildAdapterFactories(); |
| } |
| |
| private HashMap<String, DTPDriverAdapterFactory> buildAdapterFactories() { |
| HashMap<String, DTPDriverAdapterFactory> factories = new HashMap<String, DTPDriverAdapterFactory>(); |
| this.addAdapterFactoriesTo(factories); |
| return factories; |
| } |
| |
| private void addAdapterFactoriesTo(HashMap<String, DTPDriverAdapterFactory> factories) { |
| this.addAdapterFactoryTo(new DB2.Factory(), factories); |
| this.addAdapterFactoryTo(new Derby.Factory(), factories); |
| this.addAdapterFactoryTo(new HSQLDB.Factory(), factories); |
| this.addAdapterFactoryTo(new Informix.Factory(), factories); |
| this.addAdapterFactoryTo(new MaxDB.Factory(), factories); |
| this.addAdapterFactoryTo(new MySQL.Factory(), factories); |
| this.addAdapterFactoryTo(new Oracle.Factory(), factories); |
| this.addAdapterFactoryTo(new PostgreSQL.Factory(), factories); |
| this.addAdapterFactoryTo(new SQLServer.Factory(), factories); |
| this.addAdapterFactoryTo(new Sybase.Factory(), factories); |
| } |
| |
| /** |
| * @see org.eclipse.datatools.modelbase.sql.schema.Database#getVendor() |
| */ |
| private void addAdapterFactoryTo(DTPDriverAdapterFactory factory, HashMap<String, DTPDriverAdapterFactory> factories) { |
| for (String name : factory.getSupportedVendors()) { |
| this.addAdapterFactoryTo(name, factory, factories); |
| } |
| } |
| |
| private void addAdapterFactoryTo(String name, DTPDriverAdapterFactory factory, HashMap<String, DTPDriverAdapterFactory> factories) { |
| if (factories.put(name, factory) != null) { |
| throw new IllegalArgumentException("Duplicate adapter factory: " + name); //$NON-NLS-1$ |
| } |
| } |
| |
| public DTPDriverAdapter buildAdapter(String dtpVendorName, Database database) { |
| return this.getAdapterFactory(dtpVendorName).buildAdapter(database); |
| } |
| |
| private DTPDriverAdapterFactory getAdapterFactory(String dtpVendorName) { |
| DTPDriverAdapterFactory factory = this.adapterFactories.get(dtpVendorName); |
| return (factory != null) ? factory : UNRECOGNIZED_ADAPTER_FACTORY; |
| } |
| private static final DTPDriverAdapterFactory UNRECOGNIZED_ADAPTER_FACTORY = new Unknown.Factory(); |
| } |